1. One trillion is a thousand Billions, or equivalently a million millions

2. A million is 10 6, or 1,000,000.A Billion is one thousand million, or 1,000,000,000 (10 9).This is the common usage in English-speaking countries and is called the short scale.Countries in continental Europe and Latin America use the long scale where a Billion is a million millions (10 12).